1.

12, 20, 72, ?, 89281). 1442). 5603). 44644). 2304

Answer»

12,

12 × 2 - 4 = 20

20 × 4 - 8 = 72

72 × 8 - 16 = 560 = ?

560 × 16 - 32 = 8928



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